53124115511 has 4 divisors (see below), whose sum is σ = 53127700800. Its totient is φ = 53120530224.

The previous prime is 53124115493. The next prime is 53124115523. The reversal of 53124115511 is 11551142135.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53124115511 is a prime.

It is a super-2 number, since 2×53124115511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53124115531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770326 + ... + 1800083.

It is an arithmetic number, because the mean of its divisors is an integer number (13281925200).

Almost surely, 2^53124115511 is an apocalyptic number.

53124115511 is a deficient number, since it is larger than the sum of its proper divisors (3585289).

53124115511 is a wasteful number, since it uses less digits than its factorization.

53124115511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585288.

The product of its digits is 3000, while the sum is 29.

Adding to 53124115511 its reverse (11551142135), we get a palindrome (64675257646).

The spelling of 53124115511 in words is "fifty-three billion, one hundred twenty-four million, one hundred fifteen thousand, five hundred eleven".